Bite marks grouped in a direct design are felt to be bed bug bites arm. Post-bite effect takes place in 3 stages that include no reaction (growth from couple of or no antibodies), postponed reaction; instant and also postponed response, instant reaction simply as well as no visible response. Indicators include increased and inflamed wheal at each bite web site with intermittent itching for a number of times. Immediate response can easily take place within 24-HOUR from the bite and also lasts for 1 - 2 days.